1 files changed, 0 insertions, 220 deletions
diff --git a/spec/lib/gitlab/usage_data_concerns/topology_spec.rb b/spec/lib/gitlab/usage_data_concerns/topology_spec.rb
deleted file mode 100644
index 0428900690c..00000000000
--- a/spec/lib/gitlab/usage_data_concerns/topology_spec.rb
+++ /dev/null
@@ -1,220 +0,0 @@
-# frozen_string_literal: true
-
-require 'spec_helper'
-
-describe Gitlab::UsageDataConcerns::Topology do
-  include UsageDataHelpers
-
-  describe '#topology_usage_data' do
-    subject { Class.new.extend(described_class).topology_usage_data }
-
-    before do
-      # this pins down time shifts when benchmarking durations
-      allow(Process).to receive(:clock_gettime).and_return(0)
-    end
-
-    context 'when embedded Prometheus server is enabled' do
-      before do
-        expect(Gitlab::Prometheus::Internal).to receive(:prometheus_enabled?).and_return(true)
-        expect(Gitlab::Prometheus::Internal).to receive(:uri).and_return('http://prom:9090')
-      end
-
-      it 'contains a topology element' do
-        allow_prometheus_queries
-
-        expect(subject).to have_key(:topology)
-      end
-
-      context 'tracking node metrics' do
-        it 'contains node level metrics for each instance' do
-          expect_prometheus_api_to(
-            receive_node_memory_query,
-            receive_node_cpu_count_query,
-            receive_node_service_memory_query,
-            receive_node_service_process_count_query
-          )
-
-          expect(subject[:topology]).to eq({
-            duration_s: 0,
-            nodes: [
-              {
-                node_memory_total_bytes: 512,
-                node_cpus: 8,
-                node_services: [
-                  {
-                    name: 'web',
-                    process_count: 10,
-                    process_memory_rss: 300,
-                    process_memory_uss: 301,
-                    process_memory_pss: 302
-                  },
-                  {
-                    name: 'sidekiq',
-                    process_count: 5,
-                    process_memory_rss: 303
-                  }
-                ]
-              },
-              {
-                node_memory_total_bytes: 1024,
-                node_cpus: 16,
-                node_services: [
-                  {
-                    name: 'sidekiq',
-                    process_count: 15,
-                    process_memory_rss: 400,
-                    process_memory_pss: 401
-                  },
-                  {
-                    name: 'redis',
-                    process_count: 1,
-                    process_memory_rss: 402
-                  }
-                ]
-              }
-            ]
-          })
-        end
-      end
-
-      context 'and some node memory metrics are missing' do
-        it 'removes the respective entries' do
-          expect_prometheus_api_to(
-            receive_node_memory_query(result: []),
-            receive_node_cpu_count_query,
-            receive_node_service_memory_query,
-            receive_node_service_process_count_query
-          )
-
-          keys = subject[:topology][:nodes].flat_map(&:keys)
-          expect(keys).not_to include(:node_memory_total_bytes)
-          expect(keys).to include(:node_cpus, :node_services)
-        end
-      end
-
-      context 'and no results are found' do
-        it 'does not report anything' do
-          expect_prometheus_api_to receive(:aggregate).at_least(:once).and_return({})
-
-          expect(subject[:topology]).to eq({
-            duration_s: 0,
-            nodes: []
-          })
-        end
-      end
-
-      context 'and a connection error is raised' do
-        it 'does not report anything' do
-          expect_prometheus_api_to receive(:aggregate).and_raise('Connection failed')
-
-          expect(subject[:topology]).to eq({ duration_s: 0 })
-        end
-      end
-    end
-
-    context 'when embedded Prometheus server is disabled' do
-      it 'does not report anything' do
-        expect(Gitlab::Prometheus::Internal).to receive(:prometheus_enabled?).and_return(false)
-
-        expect(subject[:topology]).to eq({ duration_s: 0 })
-      end
-    end
-  end
-
-  def receive_node_memory_query(result: nil)
-    receive(:query)
-      .with(/node_memory_MemTotal_bytes/, an_instance_of(Hash))
-      .and_return(result || [
-        {
-          'metric' => { 'instance' => 'instance1:8080' },
-          'value' => [1000, '512']
-        },
-        {
-          'metric' => { 'instance' => 'instance2:8090' },
-          'value' => [1000, '1024']
-        }
-      ])
-  end
-
-  def receive_node_cpu_count_query(result: nil)
-    receive(:query)
-      .with(/node_cpu_seconds_total/, an_instance_of(Hash))
-      .and_return(result || [
-        {
-          'metric' => { 'instance' => 'instance2:8090' },
-          'value' => [1000, '16']
-        },
-        {
-          'metric' => { 'instance' => 'instance1:8080' },
-          'value' => [1000, '8']
-        }
-      ])
-  end
-
-  def receive_node_service_memory_query(result: nil)
-    receive(:query)
-      .with(/process_.+_memory_bytes/, an_instance_of(Hash))
-      .and_return(result || [
-        # instance 1: runs Puma + a small Sidekiq
-        {
-          'metric' => { 'instance' => 'instance1:8080', 'job' => 'gitlab-rails', '__name__' => 'ruby_process_resident_memory_bytes' },
-          'value' =>  [1000, '300']
-        },
-        {
-          'metric' => { 'instance' => 'instance1:8080', 'job' => 'gitlab-rails', '__name__' => 'ruby_process_unique_memory_bytes' },
-          'value' => [1000, '301']
-        },
-        {
-          'metric' => { 'instance' => 'instance1:8080', 'job' => 'gitlab-rails', '__name__' => 'ruby_process_proportional_memory_bytes' },
-          'value' => [1000, '302']
-        },
-        {
-          'metric' => { 'instance' => 'instance1:8090', 'job' => 'gitlab-sidekiq', '__name__' => 'ruby_process_resident_memory_bytes' },
-          'value' => [1000, '303']
-        },
-        # instance 2: runs a dedicated Sidekiq + Redis (which uses a different metric name)
-        {
-          'metric' => { 'instance' => 'instance2:8090', 'job' => 'gitlab-sidekiq', '__name__' => 'ruby_process_resident_memory_bytes' },
-          'value' => [1000, '400']
-        },
-        {
-          'metric' => { 'instance' => 'instance2:8090', 'job' => 'gitlab-sidekiq', '__name__' => 'ruby_process_proportional_memory_bytes' },
-          'value' => [1000, '401']
-        },
-        {
-          'metric' => { 'instance' => 'instance2:9121', 'job' => 'redis', '__name__' => 'process_resident_memory_bytes' },
-          'value' => [1000, '402']
-        }
-      ])
-  end
-
-  def receive_node_service_process_count_query(result: nil)
-    receive(:query)
-      .with(/process_start_time_seconds/, an_instance_of(Hash))
-      .and_return(result || [
-        # instance 1
-        {
-          'metric' => { 'instance' => 'instance1:8080', 'job' => 'gitlab-rails' },
-          'value' => [1000, '10']
-        },
-        {
-          'metric' => { 'instance' => 'instance1:8090', 'job' => 'gitlab-sidekiq' },
-          'value' => [1000, '5']
-        },
-        # instance 2
-        {
-          'metric' => { 'instance' => 'instance2:8090', 'job' => 'gitlab-sidekiq' },
-          'value' => [1000, '15']
-        },
-        {
-          'metric' => { 'instance' => 'instance2:9121', 'job' => 'redis' },
-          'value' => [1000, '1']
-        },
-        # unknown service => should be stripped out
-        {
-          'metric' => { 'instance' => 'instance2:9000', 'job' => 'not-a-gitlab-service' },
-          'value' => [1000, '42']
-        }
-      ])
-  end
-end